package Demo4;

public class Main7 {
    public static void main(String[] args) throws InterruptedException {
        Object locker1=new Object();
        Object locker2=new Object();
        Object locker3=new Object();
     Thread t1=new Thread(()->{
         for (int i = 0; i <10 ; i++) {
             synchronized (locker1){
                 try {
                     locker1.wait();
                 } catch (InterruptedException e) {
                     throw new RuntimeException(e);
                 }
             }
             System.out.print("A");
             synchronized (locker2){
                 locker2.notify();
             }
         }
     });
        Thread t2=new Thread(()->{
            for (int i = 0; i <10 ; i++) {
        synchronized (locker2){
            try {
                locker2.wait();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
                System.out.print("B");
        synchronized (locker3){
            locker3.notify();
        }
            }
        });
        Thread t3=new Thread(()->{
            for (int i = 0; i <10 ; i++) {
        synchronized (locker3){
            try {
                locker3.wait();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
                System.out.println("C");
        synchronized (locker1){
            locker1.notify();
        }
            }
        });
        t1.start();
        t2.start();
        t3.start();
        Thread.sleep(1000);
        synchronized (locker1){
            locker1.notify();
        }
    }
}
